<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="书本名字" prop="bookName">
        <el-input
          v-model="queryParams.bookName"
          placeholder="请输入书本名字"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="归还日期" prop="returnDate">
        <el-date-picker clearable
                        v-model="queryParams.returnDate"
                        type="date"
                        value-format="yyyy-MM-dd"
                        placeholder="请选择归还日期">
        </el-date-picker>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
<!--      <el-col :span="1.5">-->
<!--        <el-button-->
<!--          type="warning"-->
<!--          plain-->
<!--          icon="el-icon-download"-->
<!--          size="mini"-->
<!--          @click="handleExport"-->
<!--          v-hasPermi="['book:borrow:export']"-->
<!--        >导出我的归还-->
<!--        </el-button>-->
<!--      </el-col>-->
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="borrowList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <!--      <el-table-column label="id" align="center" prop="id" />-->
      <el-table-column label="书本名字" align="center" prop="bookName"/>
      <el-table-column label="书本封面" align="center" prop="bookCover">
        <template v-slot="scope">
          <image-preview style="width: 100px;height: 100px" :src="scope.row.bookCover"></image-preview>
        </template>
      </el-table-column>
      <el-table-column label="用户姓名" align="center" prop="userName"/>
      <el-table-column label="归还日期" align="center" prop="returnDate" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
<!--      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">-->
<!--        <template slot-scope="scope">-->
<!--          <template>-->
<!--            <el-button-->
<!--              type="primary"-->
<!--              icon="el-icon-zoom-in"-->
<!--              @click="handleReturn(scope.row)"-->
<!--              slot="reference"-->
<!--            >-->
<!--              归还-->
<!--            </el-button>-->
<!--          </template>-->
<!--        </template>-->
<!--      </el-table-column>-->
    </el-table>

        <pagination
          v-show="total>0"
          :total="total"
          :page.sync="queryParams.pageNum"
          :limit.sync="queryParams.pageSize"
          @pagination="getList"
        />

  </div>
</template>

<script>
import {listBorrow, getBorrow, delBorrow, addBorrow, updateBorrow} from "@/api/book/borrow";
import {getListByUserId} from "@/api/book/bookreturn";


export default {
  name: "MyReturn",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 借书管理表格数据
      borrowList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        bookName: null,
        bookCover: null,
        userName: null,
        returnDate: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {}
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询借书管理列表 */
    getList() {
      this.loading = true;
      getListByUserId(this.queryParams).then(response => {
        this.borrowList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        bookName: null,
        bookCover: null,
        bookId: null,
        userId: null,
        userName: null,
        returnDate: null,
        createTime: null,
        updateTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加借书管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getBorrow(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改借书管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateBorrow(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addBorrow(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除借书管理编号为"' + ids + '"的数据项？').then(function () {
        return delBorrow(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('book/bookreturn/export', {
        ...this.queryParams
      }, `borrow_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
